Finding the Fourth Proportional to 2,185.50, 3,277.55 and 868.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.50 : 3,277.55 = 868.82 : x
2. Step 2: Convert to fraction form
   2,185.50/3,277.55 = 868.82/x
3. Step 3: Cross multiply
   2,185.50x = 3,277.55 × 868.82
4. Step 4: Simplify right side
   2,185.50x = 2,847,603.06
5. Step 5: Solve for x
   x = 2,847,603.06/2,185.50
6. Step 6: Final answer
   x = 1,302.95